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How to create a DLL in C language?

Updated: 10/24/2022
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12y ago

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Creating a simple C# application:
  1. Start Visual Studio .NET.
  2. Go to File->New->Project.
  3. Select Visual C# Project. From the �Templates�, you can either select �Console Application�, or an �Empty Project� just like it was described above.
  4. Give the name to your application.
  5. Press OK.

Into the specified class, insert the following two lines: Collapse | Copy Code

[DllImport("TestLib.dll")] public static extern void DisplayHelloFromDLL ();

In C#, keyword extern indicates that the method is implemented externally.

Your code should look something like this: Collapse | Copy Code

using System; using System.Runtime.InteropServices; // DLL support class HelloWorld { [DllImport("TestLib.dll")] public static extern void DisplayHelloFromDLL (); static void Main () { Console.WriteLine ("This is C# program"); DisplayHelloFromDLL (); } }

Please, note that System.Runtime.InteropServices is required for operations with the DLL.

(The answer in very good, the question is wrong.)

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